Base | Representation |
---|---|
bin | 1101010000100… |
… | …10000011110110 |
3 | 21202021201022111 |
4 | 12220102003312 |
5 | 211433114110 |
6 | 15011521234 |
7 | 2520244252 |
oct | 650220366 |
9 | 252251274 |
10 | 111223030 |
11 | 57867566 |
12 | 312b921a |
13 | 1a072c59 |
14 | 10ab3262 |
15 | 9b6ee8a |
hex | 6a120f6 |
111223030 has 16 divisors (see below), whose sum is σ = 200859120. Its totient is φ = 44343072.
The previous prime is 111223001. The next prime is 111223031. The reversal of 111223030 is 30322111.
It is a self number, because there is not a number n which added to its sum of digits gives 111223030.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (111223031) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15045 + ... + 21184.
It is an arithmetic number, because the mean of its divisors is an integer number (12553695).
Almost surely, 2111223030 is an apocalyptic number.
111223030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
111223030 is a deficient number, since it is larger than the sum of its proper divisors (89636090).
111223030 is a wasteful number, since it uses less digits than its factorization.
111223030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 36543.
The product of its (nonzero) digits is 36, while the sum is 13.
The square root of 111223030 is about 10546.2329767553. The cubic root of 111223030 is about 480.9112175727.
Adding to 111223030 its reverse (30322111), we get a palindrome (141545141).
It can be divided in two parts, 1112 and 23030, that added together give a palindrome (24142).
The spelling of 111223030 in words is "one hundred eleven million, two hundred twenty-three thousand, thirty".
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